The depletion in Ozone layer is caused by ___________ .
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In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.
Nascent
Enigmatic
In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.
Of the first water
Select the word with the correct spelling.
In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Very poor or bad.
Perennial